Killer’s sentence not long enough, court hears

COLE Miller's killer should have been sentenced to 12 years' jail, the crown prosecutor appealing the sentence handed to the 18-year-old's one-punch attacker has argued.

In 2017, Renata Armstrong was sentenced to seven years' jail after pleading guilty to unlawful striking causing the death of Mr Miller on a night out in Fortitude Valley one year earlier.

The case is one of five that have been heard in Queensland involving the charge, which carries a maximum penalty of life behind bars and requires attackers to serve 80 per cent of the sentence if convicted.

Queensland Attorney-General Yvette D'Ath's appeal over the sentence handed to the man who delivered the punch that killed teen Cole Miller has begun.

An appeal against the seven-year sentence handed to promising teenage sportsman Cole Miller's one-punch killer has begun in the Queensland Court of Appeal.

The 18-year-old was struck from behind in 2016 by Armstrong Renata, 23, while on a night out in the Fortitude Valley nightclub district.

In August 2016, Armstrong Renata entered a plea of guilty to one count of unlawful striking causing the death of Cole Miller.

Attorney-General Yvette D'Ath wants the sentence increased, which, with time served in pre-sentence custody, will currently allow the New Zealander to apply for parole in less than four years.

"We lost our best one," Cole Miller's father Steven said of the 18 year-old killed last year.